/[svn]/linuxsampler/trunk/ChangeLog
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revision 1001 by schoenebeck, Wed Dec 27 16:17:08 2006 UTC revision 2187 by persson, Sun Jun 19 18:54:11 2011 UTC
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1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3      * plugin changes:
4        - LV2 Persist + Files support (patch by David Robillard)
5    
6      * packaging changes:
7        - fixed building with newer MinGW-w64
8        - Mac OS X: support the new dir for Core Audio SDK
9        - Mac OS X: fixed building outside source directory
10        - made sure all source files for hostplugins are included when
11          doing "make dist"
12        - removed empty directories left from the cvs to svn migration
13        - fixed compilation with gcc 4.6.1
14        - another "make dist" fix, for LV2 plugin
15        - made --enable-pthread-testcancel default on Mac OS X
16    
17      * general changes:
18        - Refactoring: moved the independent code from
19          the Gigasampler format engine to base classes
20        - command line option '--profile' is currently disabled, since the
21          respective profiling code is currently broken
22        - Introduced support for optional environment variable
23          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
24          where the sampler shall look for instrument editor plugins
25          (patch by Luis Garrido, slightly modified).
26        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
27        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
28        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
29          note (in this implementation of the sampler its simply hard routed to
30          the 1st effect send of the sampler channel, no matter what the actual
31          effect type is)
32        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
33          note (in this implementation of the sampler its simply hard routed to
34          the 2nd effect send of the sampler channel, no matter what the actual
35          effect type is)
36        - implemented support for internal LADSPA effects
37        - raised limit of program change queue from 100 to 512
38          (as suggested by Alex Stone)
39    
40      * Gigasampler format engine:
41        - implemented the "round robin keyboard" dimension
42        - fixed round robin and random dimensions for cases when number of
43          dimension zones is not a power of two
44        - made round robin use a counter for each region instead of each
45          key
46    
47      * SFZ format engine:
48        - Initial implementation (not usable yet)
49        - added support for v2 multiple stage envelope generators
50        - added a fine-tuned v1 envelope generator instead of using the
51          one from the gig engine
52        - fixed memory leak and memory handling errors
53        - added support for trigger=first, trigger=legato and sw_previous
54        - allow non-numerical key values ("C#4" for example)
55        - "key" opcode now sets pitch_keycenter too
56        - fixed error when unloading instrument with same sample used by
57          multiple regions
58        - added some opcode aliases, like loopmode for loop_mode, to be
59          more compatible
60        - added support for trigger=release and rt_decay
61        - added support for off_mode=normal
62        - added support for random, seq_position, seq_length and volume
63        - added v1 LFO opcodes to parser (no support in engine yet)
64        - added support for amp_veltrack and amp_velcurve_N
65        - fine-tuned the default velocity curve
66        - added support for transpose
67        - fixed crash when using sw_down/up
68        - improved logic for sw_lokey/hikey/up/down/last
69        - added more v1 aliases to parser
70        - reduced memory usage for sfz data
71        - RT-safeness: avoid malloc in audio thread
72        - fixed a bug that could cause voice stealing to fail
73        - optimized sample lookup
74        - improved support for exclusive groups (group, off_by and
75          off_mode)
76        - added support for controller triggered regions (on_locc/on_hicc)
77        - added support for loop_mode=one_shot
78        - fixed playback of 16 bit wav files on big endian CPUs
79        - added support for Ogg Vorbis sample files
80        - use loop markers from sample file if loop_start and loop_end are
81          not set in sfz file
82        - implemeted filters. Filter types: lowpass, bandpass, bandreject
83          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
84          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
85          cutoff_cc, cutoff_chanaft.
86        - bugfix: zero ampeg_sustain didn't work
87        - added support for velocity effect on amplifier envelope time
88          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
89          ampeg_vel2release)
90    
91      * SoundFont format engine:
92        - Initial implementation (not usable yet)
93        - RT-safeness: avoid malloc in audio thread
94        - fixed a bug that could cause voice stealing to fail
95    
96      * Gigasampler format engine:
97        - bugfix: pitch LFO controller "internal+aftertouch" was broken
98        - bugfix: filter keyboard tracking was broken
99        - filter performance fix (an unnecessary copy was made of the
100          filter parameters in each sub fragment)
101    
102      * Host plugins:
103        - AU bugfix: failed to destroy its audio/MIDI devices
104        - Listen to all interfaces on Mac OS X (INADDR_ANY)
105        - VST bugfix: If the host called resume() before and after
106          changing sample rate or block size, the number of channels was
107          incorrectly set to two. This caused silence in Cubase 5.
108        - save engine type (gig, sfz or sf2) in plugin state
109        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
110          64 bit Windows
111    
112      * MIDI driver:
113        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
114          the ALSA sequencer client name
115        - removed limit of maximum amount of MIDI ports per MIDI device, since
116          there is no reason for this limit
117    
118      * audio driver:
119        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
120    
121      * LSCP server:
122        - added support for sending MIDI CC messages via LSCP command
123          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
124        - added LSCP command "GET AVAILABLE_EFFECTS"
125        - added LSCP command "LIST AVAILABLE_EFFECTS"
126        - added LSCP command "GET EFFECT INFO <effect-index>"
127        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
128        - added LSCP command
129          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
130        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
131        - added LSCP command "GET EFFECT_INSTANCES"
132        - added LSCP command "LIST EFFECT_INSTANCES"
133        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
134        - added LSCP command
135          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
136        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
137          <effect-instance> <input-control> <value>"
138        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
139        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
140        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
141        - added LSCP command
142          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
143        - added LSCP command
144          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
145        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
146          <effect-chain> <effect-instance>"
147        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
148          <effect-chain> <effect-chain-pos> <effect-instance>"
149        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
150          <effect-chain> <chain-pos>"
151        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
152          <fx_send_id> <effect_chain> <chain_pos>"
153        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
154    
155      * Bug fixes:
156        - Fixed crash which may occur when MIDI key + transpose is out of range
157        - minor valgrind fixes
158        - fixed crash which occured when changing an already deployed sampler
159          channel to a different engine type
160        - fixed crash when deleting a sampler channel or changing engine
161          type while an instrument load was in progress
162        - bugfix: playing a note while changing the instrument could cause
163          a crash, or give "Handing back unknown region" error messages
164        - bugfix: calling SET VOICES (which Fantasia does on start and
165          refresh) could cause instruments to be unloaded
166        - Mac OS X: fixed name collision of enum in EffectControl and
167          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
168        - Mac OS X: fixed hanging threads
169        - Windows: disabled the previous thread fix on non-Mac systems, as
170          it caused hanging threads on Windows
171    
172    Version 1.0.0 (31 July 2009)
173    
174      * packaging changes:
175        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
176          causing e.g. the libgig test to fail when
177          "./configure --disable-jack-driver" was used
178          (patch by Alexis Ballier)
179        - fixed compilation with gcc 4.3
180        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
181        - fixed configure so it detects x86_64 (#107)
182        - fixes for building with newer MinGW versions
183        - fix for building with bison 2.4 (#111)
184        - fixed building with libgig installed in a non-standard directory
185        - minor fix in configure for mmsystem.h detection on MinGW
186        - Windows: look for editor plugins and Fantasia using base
187          directory of liblinuxsampler dll (look in the same directory and one
188          directory above)
189        - configure script fix: removed unconditional use of SSE
190        - fixed building with sqlite installed in a non-standard directory
191        - when cross-compiling, don't try to create instruments.db
192        - fix for new mingw-w64 version, which has usleep
193    
194      * general changes:
195        - bugfix: on some POSIX systems instrument editor plugins refused to
196          load as we used a non-portable Linux specific struct field
197          (fixes bug #70, patch by Ronald Baljeu)
198        - fixed endless loop which occured when loading an instrument editor
199          plugin DLL on Windows systems failed
200        - fixed memory leaks that occurred when liblinuxsampler was unloaded
201        - optimized the SynchronizedConfig class so it doesn't wait
202          unnecessarily long after an update
203        - added support for notifying instrument editors on note-on / note-off
204          events (e.g. to highlight the pressed keys on the virtual keyboard
205          of gigedit)
206        - added support for triggering notes by instrument editors (see above)
207        - be verbose on DLL load errors (on Linux)
208        - fixed di-harmonic triangle LFO implementation (this LFO implementation
209          is only used by very few systems, most pick the int math
210          implementation, which is usually faster)
211        - fixes for audio drivers with varying buffer sizes
212        - experimental support for running LinuxSampler as a DSSI, LV2 and
213          VST plugin
214        - notification events for stream/voice count statistics are now sent
215          only when there are actual changes
216        - added memory ordering constraints to improve stability on
217          multi-core and multi-cpu systems
218        - maximum voices and disk streams can now be altered at runtime
219        - fixed CPU feature detection on x86_64 (maybe fixes #108)
220        - automatic stacktrace mechanism is now turned off by default and can
221          be switched on by command line option "--stacktrace" (the automatic
222          stacktrace mechanism seems to be broken on most systems at the moment)
223        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
224          a pointer to the launched InstrumentEditor object
225        - added optional 3rd party user data parameter for following
226          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
227          InstrumentEditor::Launch(),
228          InstrumentManager::LaunchInstrumentEditor()
229        - theoretical fix: made SynchronizedConfig follow C++0x memory
230          model more strictly
231        - fixes for using large audio device buffers
232        - Windows: add the installation directory to the DLL search path
233          when loading an editor plugin (solves problems with VST and
234          gigedit on systems with other GTK versions installed)
235    
236      * audio driver:
237        - removed the nonsense audio channel constraint (which was hard coded to
238          max. 100 audio channels) for most audio drivers
239        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
240          opposed to the LSCP specs
241        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
242          reflected the wrong value
243        - fixed a memory management bug in ASIO driver
244        - Makefile fix: JACK_CFLAGS wasn't used
245        - JACK: use jack_client_open instead of the deprecated
246          jack_client_new
247        - added (experimental) CoreAudio driver
248        - applied old fixes to the ASIO driver that were included in the
249          previous binary release but accidentally never committed to CVS
250          (fixes #117)
251        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
252          win64)
253        - VST: added support for sample rate and buffer size changes
254        - VST: close editor (Fantasia) when the VST is removed
255        - VST: avoid opening Fantasia more than once for each VST instance
256        - VST: export main function as "main" on Linux too (fix for
257          energyXT)
258        - VST: changed number of output channels from one stereo to 16
259          stereo
260        - added channel routing, fxsends and midi maps to the settings
261          stored in the plugin state
262        - performance optimization of AudioChannel::MixTo() and
263          AudioChannel::CopyTo() methods using GCC vector exensions
264          (if available)
265        - ASIO fixes: avoid initializing the device twice, avoid throwing
266          exception when getting parameters from a disconnected device
267    
268      * MIDI driver:
269        - added JACK MIDI driver
270        - dispatch bank select as ordinary CC as well, the user might seriously
271          want to (mis)use it for some purpose ("fixed" in all current MIDI
272          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
273        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
274          CoreMidi or AU
275        - fixed mingw-w64 compilation error in MME driver
276        - made program change handling in MIDI thread real-time safe by
277          moving the logic to a non-RT thread
278        - fixed minor memory leak in ALSA driver
279    
280      * instruments database:
281        - avoid time consuming samples scanning when adding instruments
282          to the instruments database
283        - added support for handling lost files in the instruments database
284        - Implemented option for adding instruments in separate directories
285          in the instruments database
286          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
287        - work-around for missing fnmatch function on Windows to make
288          instrument database compilable
289        - added instrument database support on Windows
290          works with both standalone mode and VST plugin.
291          the instruments DB file is located in
292          %USERPROFILE%\.linuxsampler\instruments.db which allows different
293          databases for each windows user
294          if no DB is present it automatically creates the .linuxsampler subdir
295          and then creates an empty DB
296        - fixed recursive import, which was broken on Windows
297    
298      * Gigasampler format engine:
299        - fixed a memory leak that could happen when a channel was deleted
300          while notes were playing
301        - made it possible to load an instrument even if the audio thread
302          isn't running
303        - added partial support for the "Controller Triggered" MIDI rule,
304          enough for piano gigs with pedal noise samples
305        - minor fix: only mark FX sends as being modified if really the
306          respective FX send MIDI controller was used
307        - added support for GM global device volume SysEx message
308          (can be selected at compile time to either apply globally to the
309          whole sampler [default] or only to the sampler channels that are
310          connected to the respective MIDI input port the SysEx message arrived
311          on)
312        - bugfix: notes triggered at position 0 in the audio buffer were
313          sometimes wrongly killed in the same buffer, causing no sound to
314          be played
315        - added support for chromatic / drumkit mode Roland GS Sysex message
316          which is usally used to switch a part between chromatic sounds and
317          drumkit sounds (as opposed to their common default setting of MIDI
318          part 10 being a drumkit part and all other ones chromatic parts), in
319          LS however one can switch between the first 16 MIDI instrument maps
320          defined for the sampler
321        - made it possible to create multiple sample channels even if the
322          audio thread isn't running
323        - fixed crash when removing channel with active voices (#116)
324        - bugfix: on sample reference changes (instrument editor), only
325          un-cache the respective sample if it's really not used by any
326          sampler engine anymore
327        - re-cache samples in case they were changed by an instrument editor,
328          e.g. when a sample was added while playing (#82)
329        - fixed hanging notes which occured when note-off event had the exact
330          same time stamp as the voice's note-on event and occured both in the
331          same audio fragment cycle (fixes bug #112)
332        - added support for the "fine tune" and "pitch bend range"
333          instrument-level gig parameters
334        - fixed minor artifacts in pitch bend handling
335        - added support for GS Reset SysEx message
336        - allow gig files to use unlimited downward pitch shifting
337        - added a limit check for upward pitch shifting
338        - bugfix: sometimes, when playing a note twice fast, the second
339          note was silent
340        - fixed crash happening when a pitch bend event arrived at the
341          same time a new instrument was loading
342    
343      * LSCP server:
344        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
345          react on MIDI data arriving on certain sampler channels (so far only
346          Note-On and Note-Off events are sent via this LSCP event)
347        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
348          react on MIDI data arriving on certain MIDI input devices (so far only
349          Note-On and Note-Off events are sent via this LSCP event)
350        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
351          SET DB_INSTRUMENT FILE_PATH
352        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
353          frontends to send MIDI messages to specific sampler channel
354        - added two additional fields to GET FILE INSTRUMENT INFO command -
355          KEY_BINDINGS and KEYSWITCH_BINDINGS
356        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
357          was incorrect
358        - Optimized the retrieval of the MIDI instrument mappings
359        - added new LSCP command "SET VOICES" to globally alter the maximum
360          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
361          be triggered respectively
362        - added new LSCP command "SET STREAMS" to globally alter the maximum
363          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
364          which will be triggered respectively
365        - bugfix: retry if "select" returns EINTR (this fixes a crash when
366          a gigedit file dialog is opened)
367        - close all connections when LSCPServer is deleted
368        - hard close of all sockets on exit
369        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
370          driver
371    
372      * Bug fixes:
373        - fixed a crash which occurs when removing a sampler channel waiting
374          to start instrument loading after another channel
375        - fixed a crash which occurs when removing a sampler channel with
376          instrument loading in progress (bug #113)
377        - fixed termination caused by uncaught exception when adding MIDI
378          instrument with PERSISTENT load mode
379        - fixed possible iterator invalidations when resetting the sampler
380        - fixed memory leaks when issuing the following LSCP commands:
381          GET AUDIO_OUTPUT_DRIVER INFO
382          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
383          GET MIDI_INPUT_DRIVER INFO
384          GET MIDI_INPUT_DRIVER_PARAMETER INFO
385        - fixed possible compilation error when sqlite is not present
386        - fixed orphaned pointers when setting maximum voices limit (bug #118)
387        - fixed crash when changing the audio output device of a sampler
388          channel with loaded instrument and start playing notes
389        - fixed endless loop in Engine::SuspendAll() (bug #120)
390        - fixed a low-level atomic load function that was broken on 64-bit
391          PowerPC, which probably could cause crashes on that platform
392        - fixed a memory management error which could cause a crash when a
393          plugin was unloaded
394        - bugfix: two private structs had the same name, which could cause
395          problems if the linker chose the wrong constructor
396        - fixed low-level ConditionServer usage bug that caused lockups on
397          Windows
398    
399    
400    Version 0.5.1 (6 December 2007)
401    
402      * packaging changes:
403        - added autoconf checks for pthread library
404        - added autoconf check for pthread bug found on certain NPTL-enabled
405          glibc versions (see Gentoo bug report #194076)
406        - added autoconf checks for MS Windows
407    
408      * general changes:
409        - bugfix: the thread used by an editor plugin didn't die when the
410          editor closed
411        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
412          out all the space. operator--() did not apply size_mask after
413          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
414          order to avoid problems with the _NonVolatileReader functions.
415        - bugfix: Stream.h: added a missing divide by BytesPerSample in
416          GetWriteSpace(). Since this function is currently only used in
417          the stream's qsort() compare function, it didn't trigger any
418          bugs.
419        - Resampler.h, Synthesizer.h: cubic interpolation now works in
420          24bit mode too. Faster method to read 24bit words on little
421          endian machines (x86): replaced 3 byte reads + shifts with a 1
422          unaligned 32bit read and shift
423        - experimental support for MS Windows (MIDI input via MME, AUDIO
424          output via ASIO)
425        - made handling of SIGINT signal (Ctrl-C) a bit more robust
426        - support for monitoring the total number of active disk streams
427          (new LSCP commands: GET TOTAL_STREAM_COUNT,
428          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
429    
430      * AUDIO driver:
431        - added Windows ASIO low latency audio driver
432    
433      * MIDI driver:
434        - added MME Windows MIDI driver
435    
436      * LSCP server:
437        - added support for Windows style path / filenames, however with
438          forward slash path separators instead of backslash
439          (i.e. "C:/foo/bar.gig")
440        - allow naughty liblscp to send non-string device parameters within
441          apostrophes as well
442        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
443          "LIST FILE INSTRUMENTS <file>" and
444          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
445          about an arbitrary instrument file on the system where the sampler is
446          running on
447    
448    Version 0.5.0 (15 October 2007)
449    
450      * packaging changes:
451        - config.h is not going to be installed along with liblinuxsampler's
452          API header files anymore
453        - only the API relevant header (and source) files will be exported to
454          the Doxygen API documentation (explicitly listed in Doxyfile.in)
455        - added completely new XCode project files for Mac OSX which is now
456          capable to execute our autoconf environment, thus no need anymore
457          to maintain the compile time configuration file (osx/version.h) for
458          OSX manually (patch by Toshi Nagata)
459        - fixed buggy boolean --enable-foo / --disable-foo configure script
460          parameters
461        - global.h now only covers global definitions that are needed for the
462          C++ API header files, all implementation internal global definitions
463          are now in global_private.h
464        - atomic.h is not exposed to the C++ API anymore
465        - no need to include config.h anymore for using LS's API header files
466        - fixed warnings in API doc generation
467    
468    * general changes:    * general changes:
469      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
470        flexible MIDI instrument mapper which allows to map arbitrary        flexible MIDI instrument mapper which allows to map arbitrary
# Line 17  Version CVS HEAD (?) Line 482  Version CVS HEAD (?)
482        MIDI instrument maps and assign each sampler channel individually        MIDI instrument maps and assign each sampler channel individually
483        a certain map, so that i.e. separation of normal instruments and        a certain map, so that i.e. separation of normal instruments and
484        drumkits is possible        drumkits is possible
485      - new notification events for tracking audio/MIDI device changes,      - new notification events for tracking changes to audio/MIDI devices,
486        MIDI instrument map changes and MIDI instrument changes        MIDI instrument maps, MIDI instruments, FX sends, global volume.
487      - sampler was limited to load max. 200 instruments in the background      - sampler was limited to load max. 200 instruments in the background
488        due to a constant size RingBuffer FIFO which is now replaced by a        due to a constant size RingBuffer FIFO which is now replaced by a
489        dynamic (unlimited) size std::list FIFO        dynamic (unlimited) size std::list FIFO
# Line 26  Version CVS HEAD (?) Line 491  Version CVS HEAD (?)
491        output channels for being processed by external effect processors        output channels for being processed by external effect processors
492        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
493        controllers        controllers
494        - global (sampler wide) volume can now be controlled at runtime
495        - Implemented new, improved notification system
496        - fixed compilation errors regarding OSX
497          (patch by Toshi Nagata)
498        - implemented instruments database
499        - added support for escape sequences to the instruments database
500        - added highly experimental support for on-the-fly instrument editing
501          within the sampler's process (by using instrument editor plugins),
502          you'll notice the new "Registered instrument editors:" message on
503          startup, added a new LSCP command:
504          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
505          to spawn a matching instrument editor for the instrument on the
506          given sampler channel, the plugin path can be overridden at compile
507          time with ./configure --enable-plugin-dir=/some/dir
508        - added experimental code for synchronizing instrument editors hosted
509          in the sampler's process to safely edit instruments while playing
510          without a crash (hopefully) by either suspending single regions
511          wherever possible or if unavoidable whole engine(s)
512        - fixed several issues in fundamental "Thread" class: set scheduling
513          policy and priority on thread level, set a minimum stack size for
514          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
515          threads simply inherited properties of starting thread instead of
516          setting their own policy and priority
517        - minor fix in our automatic stack trace mechanism on crashes, the
518          main process did not wait for the stack trace process to finish
519          its output
520        - fixed some minor memory leaks
521        - reenabled assembly features support, at the moment only for
522          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
523        - minor assembly fix in x86 features detection (don't use the PIC
524          register, to avoid relocations in the text segment at runtime)
525        - POSIX callback functions of Thread.h are hidden
526    
527    * MIDI driver:    * MIDI driver:
528      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
529    
530      * audio driver:
531        - the ALSA audio output driver parameters now reflect the correct
532          parameter value ranges for the respective selected sound card
533          (patch by Till Wimmer, a bit fixed and extended)
534    
535    * Gigasampler format engine:    * Gigasampler format engine:
536      - if a filter is used and EG2 finishes before EG1, let the voice      - if a filter is used and EG2 finishes before EG1, let the voice
537        die when EG2 has finished (this fixes a problem with clicks and        die when EG2 has finished (this fixes a problem with clicks and
538        voice starvation for some gigs)        voice starvation for some gigs)
539        - playback is no longer disabled during instrument loading
540        - all notes playing on a channel that changes its instrument keep
541          playing with the old instrument until they get a note off
542          command
543        - EG fix: a release value of zero could cause noises or crash
544        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
545        - EG fine tuning: when attack is zero the EG starts at a level
546          above max sustain level, which means that there is a decay phase
547          even if sustain is 100%
548        - more EG fixes: the level could sometimes go below zero and cause
549          noises or crashes
550        - minor fix of EGDecay (patch by Toshi Nagata)
551        - fixed compiler error when --enable-override-filter-type was
552          supplied to the configure script (fixes #46)
553        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
554          instead of a fix value
555        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
556          127 (solo mode) only kill voices if the respective mode really
557          changed
558    
559      * LSCP server:
560        - fixed compile time error for old Bison versions
561          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
562        - parser now supports extended ASCII character set
563          (up to ASCII code 255, i.e. includes now umlauts and accents)
564        - filename arguments in LSCP commands now allow to use escape
565          sequences, that is directly literal as one of: \', \", \\, \n, \r,
566          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
567          code value like \xf2) (fixes bug #24)
568        - the following LSCP commands now also support escape sequences for at
569          least one of their text-based parameters (i.e. name, description):
570          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
571          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
572          "SET DB_INSTRUMENT_DIRECTORY NAME",
573          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
574          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
575          "FIND DB_INSTRUMENT_DIRECTORIES"
576        - returns verbose syntax errors (line and column where syntax error
577          occured, the unexpected character and the actually expected, possible
578          character(s), the latter only if less than 5 possibilities)
579        - made sure that LSCP syntax is not affected by gigedit locale
580          settings
581        - bugfix regarding strings parameter lists: all comma separated lists
582          of strings were treated as being one string containing commas
583          (fixes #57)
584    
585    * Bug fixes:    * Bug fixes:
586      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
587        - another thread safety fix for lscp "load engine" and "set
588          channel audio output device"
589        - fixed a crash which occurs when reassigning the same engine
590          on a sampler channel with connected MIDI device
591        - fixed a crash which occurs when changing the number of ports of a MIDI
592          device connected to a sampler channel to number less then or equal
593          to the index of the port to which the sampler channel is connected.
594        - The previous bindings were not been disconnected when altering
595          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
596          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
597        - The active stream/voice count statistic was incorrect.
598        - notification events were not been sent for some sampler
599          channel changes
600        - added default min and max values to restrict the number of allowed
601          audio output channels and MIDI input ports
602        - the connection to the PCM interface is now closed when destroying
603          an audio output device
604        - files with slash in their path or filename could not be loaded
605    
606      * test cases:
607        - updated and fixed (haven't been touched in a while)
608    
609  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
610    

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